icit2022.humg.edu.vn

Issued by R3

About this certificate

This digital certificate with serial number 04:34:59:66:49:e7:46:34:09:ef:18:3b:66:63:91:f9:10:81 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=icit2022.humg.edu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:34:59:66:49:e7:46:34:09:ef:18:3b:66:63:91:f9:10:81
Serial Number (int): 366262659211773548220806559864660705218689
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 99:c5:94:a3:43:1c:c5:f7:3e:e1:d6:6a:ed:38:76:ca:23:d7:b3:8d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 95:16:ba:83:1f:85:63:d4:f2:49:1d:5c:89:d4:e3:82:87:cf:21:66
Fingerprint (sha256): 09:93:04:af:51:c3:b8:54:0c:c1:b8:d8:7f:39:b7:c6:bf:61:20:5b:c0:41:95:6c:d8:19:73:85:c1:b1:54:ed

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate icit2022.humg.edu.vn

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for icit2022.humg.edu.vn

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

icit2022.humg.edu.vn

Other certificates including the domain name humg.edu.vn

(limited to 100 certificates)
geoinformatics.humg.edu.vn
emf.humg.edu.vn
icit2022.humg.edu.vn
geoinformatics.humg.edu.vn
geo.humg.edu.vn
geoinformatics.humg.edu.vn
geoinformatics.humg.edu.vn
*.humg.edu.vn
geoinformatics.humg.edu.vn
*.humg.edu.vn
geo.humg.edu.vn
geo.humg.edu.vn
geoinformatics.humg.edu.vn
isrm2020.humg.edu.vn
geoinformatics.humg.edu.vn
geoinformatics.humg.edu.vn
geoinformatics.humg.edu.vn
daotao.humg.edu.vn
*.humg.edu.vn
geoinformatics.humg.edu.vn
*.humg.edu.vn
*.humg.edu.vn
*.humg.edu.vn
*.humg.edu.vn
isrm2020.humg.edu.vn
geo.humg.edu.vn
humg.khaothi.edu.vn
geoinformatics.humg.edu.vn
geoinformatics.humg.edu.vn
ersd2020.humg.edu.vn
geoinformatics.humg.edu.vn
*.humg.edu.vn
geo.khoadiachat.edu.vn
*.humg.edu.vn
geoinformatics.humg.edu.vn
geo.khoadiachat.edu.vn
geoinformatics.humg.edu.vn
isrm2020.humg.edu.vn
ctsv.humg.edu.vn
nde.humg.edu.vn
*.humg.edu.vn
*.humg.edu.vn
geoinformatics.humg.edu.vn
geoinformatics.humg.edu.vn
ctsv.humg.edu.vn
ersd.humg.edu.vn
geoinformatics.humg.edu.vn
tapchi.humg.edu.vn
*.humg.edu.vn

Certificate

The complete raw certificate details for icit2022.humg.edu.vn in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk9NsoEWshARwErgb1VHb
9615bCk5a2YNj3VsyCZZxwiqPjvSH6sjGRfme/CXZSAGQtYE0st5HEWhROhvnPiS
hAZ7xDYQWRHDN3OSv9gB7Tk2UlH5Vj2X7qsvvRUrvKrRAtGR0saGAPASvaAuxnKs
wsWwoB1MYV/+6Lz9/RYbXPij8A9gVOHMTdZKD1HdxDYxAvxI/vr2gstAjV5o7iLF
+i/crBXiArqBbvWjVtvHuerP1Jdg+Kw2OnFaHWLsIvasPjePg/4d5jQ/maMdOaf1
1pkXBSQjWWwsz4YtIu1be/tRhwKRDafroF63O6alP1MRq4yAQ9B2p+IywlSxn1ks
TwIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 366262659211773548220806559864660705218689
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-09 16:46:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-09 16:46:25 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'icit2022.humg.edu.vn'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 18661288048198063288333443182643246091061702213252467727056389340113733895179890470218720551187476805305895240474097038894261520548510355861666597218722262855378073533443588956919034322819830827634595299725132854845104887167376229138693208067414901115954029387395612923854265299292335545904209814354520659928597188846173397534765571987590086326235021099228943574646413271920345470713442160881174970917264795509018055867728276404572324758445077123280535246102754813631856674126419150600598600912681455943982170762950808232713713980263175715161720693687599306580345034989589301477574086689510694495291381310795642645583
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							99c594a3431cc5f73ee1d66aed3876ca23d7b38d
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'icit2022.humg.edu.vn'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d8efa55c70000040300483046022100ce33e702158a16e8cc0c96ac190941a874d17e1489231d80d6cad0d7a5dca8ee022100ac4ba8fb16b5f8a0696ef433e82fb4392314cad7867c45bd33b7f1ce5c01663a00750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d8efa58250000040300463044022060155b9eb7fca81e1562c5b41b2885c44a81c6df2f034d66ea892f88512c855b0220375db1011c21f3c3072c171677b9dc00b125c3c3654f8a3584f6457ef52e0fcb
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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